Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * dvb_frontend.h | |
3 | * | |
4 | * Copyright (C) 2001 convergence integrated media GmbH | |
5 | * Copyright (C) 2004 convergence GmbH | |
6 | * | |
7 | * Written by Ralph Metzler | |
8 | * Overhauled by Holger Waechtler | |
9 | * Kernel I2C stuff by Michael Hunold <hunold@convergence.de> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU Lesser General Public License | |
13 | * as published by the Free Software Foundation; either version 2.1 | |
14 | * of the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | ||
22 | * You should have received a copy of the GNU Lesser General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
25 | * | |
26 | */ | |
27 | ||
28 | #ifndef _DVB_FRONTEND_H_ | |
29 | #define _DVB_FRONTEND_H_ | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/sched.h> | |
33 | #include <linux/ioctl.h> | |
34 | #include <linux/i2c.h> | |
35 | #include <linux/module.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/delay.h> | |
38 | ||
39 | #include <linux/dvb/frontend.h> | |
40 | ||
41 | #include "dvbdev.h" | |
42 | ||
1da177e4 | 43 | struct dvb_frontend_tune_settings { |
afd1a0c9 MCC |
44 | int min_delay_ms; |
45 | int step_size; | |
46 | int max_drift; | |
47 | struct dvb_frontend_parameters parameters; | |
1da177e4 LT |
48 | }; |
49 | ||
50 | struct dvb_frontend; | |
51 | ||
7eef5dd6 AQ |
52 | struct dvb_tuner_info { |
53 | char name[128]; | |
54 | ||
55 | u32 frequency_min; | |
56 | u32 frequency_max; | |
57 | u32 frequency_step; | |
58 | ||
59 | u32 bandwidth_min; | |
60 | u32 bandwidth_max; | |
61 | u32 bandwidth_step; | |
62 | }; | |
63 | ||
64 | struct dvb_tuner_ops { | |
f6adb91c | 65 | |
7eef5dd6 AQ |
66 | struct dvb_tuner_info info; |
67 | ||
7eef5dd6 | 68 | int (*release)(struct dvb_frontend *fe); |
7eef5dd6 | 69 | int (*init)(struct dvb_frontend *fe); |
7eef5dd6 AQ |
70 | int (*sleep)(struct dvb_frontend *fe); |
71 | ||
f6adb91c | 72 | /** This is for simple PLLs - set all parameters in one go. */ |
7eef5dd6 AQ |
73 | int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p); |
74 | ||
f6adb91c AQ |
75 | /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */ |
76 | int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len); | |
7eef5dd6 | 77 | |
f6adb91c | 78 | int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency); |
7eef5dd6 AQ |
79 | int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth); |
80 | ||
7eef5dd6 AQ |
81 | #define TUNER_STATUS_LOCKED 1 |
82 | int (*get_status)(struct dvb_frontend *fe, u32 *status); | |
83 | ||
f6adb91c AQ |
84 | /** These are provided seperately from set_params in order to facilitate silicon |
85 | * tuners which require sophisticated tuning loops, controlling each parameter seperately. */ | |
7eef5dd6 | 86 | int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); |
7eef5dd6 AQ |
87 | int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); |
88 | }; | |
89 | ||
1da177e4 LT |
90 | struct dvb_frontend_ops { |
91 | ||
92 | struct dvb_frontend_info info; | |
93 | ||
94 | void (*release)(struct dvb_frontend* fe); | |
95 | ||
96 | int (*init)(struct dvb_frontend* fe); | |
97 | int (*sleep)(struct dvb_frontend* fe); | |
98 | ||
36cb557a AQ |
99 | /* if this is set, it overrides the default swzigzag */ |
100 | int (*tune)(struct dvb_frontend* fe, | |
101 | struct dvb_frontend_parameters* params, | |
102 | unsigned int mode_flags, | |
103 | int *delay, | |
104 | fe_status_t *status); | |
105 | ||
106 | /* these two are only used for the swzigzag code */ | |
1da177e4 | 107 | int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); |
1da177e4 LT |
108 | int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings); |
109 | ||
36cb557a AQ |
110 | int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); |
111 | ||
1da177e4 LT |
112 | int (*read_status)(struct dvb_frontend* fe, fe_status_t* status); |
113 | int (*read_ber)(struct dvb_frontend* fe, u32* ber); | |
114 | int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength); | |
115 | int (*read_snr)(struct dvb_frontend* fe, u16* snr); | |
116 | int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks); | |
117 | ||
118 | int (*diseqc_reset_overload)(struct dvb_frontend* fe); | |
119 | int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd); | |
120 | int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply); | |
121 | int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd); | |
122 | int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone); | |
123 | int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage); | |
400b7083 PB |
124 | int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg); |
125 | int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd); | |
611900c1 | 126 | int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable); |
7eef5dd6 AQ |
127 | |
128 | struct dvb_tuner_ops tuner_ops; | |
1da177e4 LT |
129 | }; |
130 | ||
131 | #define MAX_EVENT 8 | |
132 | ||
133 | struct dvb_fe_events { | |
134 | struct dvb_frontend_event events[MAX_EVENT]; | |
135 | int eventw; | |
136 | int eventr; | |
137 | int overflow; | |
138 | wait_queue_head_t wait_queue; | |
139 | struct semaphore sem; | |
140 | }; | |
141 | ||
142 | struct dvb_frontend { | |
dea74869 | 143 | struct dvb_frontend_ops ops; |
1da177e4 LT |
144 | struct dvb_adapter *dvb; |
145 | void* demodulator_priv; | |
7eef5dd6 | 146 | void* tuner_priv; |
1da177e4 | 147 | void* frontend_priv; |
2f27bdce | 148 | void* misc_priv; |
1da177e4 LT |
149 | }; |
150 | ||
151 | extern int dvb_register_frontend(struct dvb_adapter* dvb, | |
152 | struct dvb_frontend* fe); | |
153 | ||
154 | extern int dvb_unregister_frontend(struct dvb_frontend* fe); | |
155 | ||
86f40cc3 AQ |
156 | extern void dvb_frontend_reinitialise(struct dvb_frontend *fe); |
157 | ||
83b75b04 N |
158 | extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec); |
159 | extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime); | |
160 | ||
1da177e4 | 161 | #endif |